Given 2y =a^x +2a ^-x and a^x>0.
Show that a^x= y + sqrt (y^2-)

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Graph the equation. select integers for x